Iron Man first debuted on-panel in 1963's Tales of Suspense #39 – written by Stan Lee, with art by Larry Lieber ... Though Iron Man found new fame as the face of the MCU, the character's ...

What do you think of this unused Iron Man concept art? Are you happy the armor design ended up cut? Let us know in the comments or share your thoughts directly on Twitter at @Marcdachamp to talk ...